120001022021122 has 16 divisors (see below), whose sum is σ = 199296134268192. Its totient is φ = 53731800904320.

The previous prime is 120001022021113. The next prime is 120001022021123. The reversal of 120001022021122 is 221120220100021.

It is a happy number.

It is a super-2 number, since 2×120001022021122² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 120001022021096 and 120001022021105.

It is not an unprimeable number, because it can be changed into a prime (120001022021123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40705908303 + ... + 40705911250.

It is an arithmetic number, because the mean of its divisors is an integer number (12456008391762).

Almost surely, 2^{120001022021122} is an apocalyptic number.

120001022021122 is a deficient number, since it is larger than the sum of its proper divisors (79295112247070).

120001022021122 is a wasteful number, since it uses less digits than its factorization.

120001022021122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81411819633.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 120001022021122 its reverse (221120220100021), we get a palindrome (341121242121143).

The spelling of 120001022021122 in words is "one hundred twenty trillion, one billion, twenty-two million, twenty-one thousand, one hundred twenty-two".